From dca223cb38ab73744f490eb5b4cc6c7c2598f2c3 Mon Sep 17 00:00:00 2001 From: Duncan Laurie Date: Wed, 14 Sep 2016 16:27:04 -0700 Subject: drivers/i2c/tpm: Move common variables to header Move the common enums and variables to tpm.h so it can be used by multiple drivers. BUG=chrome-os-partner:53336 Change-Id: Ie749f13562be753293448fee2c2d643797bf8049 Signed-off-by: Duncan Laurie Reviewed-on: https://review.coreboot.org/16662 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin --- src/drivers/i2c/tpm/tpm.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'src/drivers/i2c/tpm/tpm.h') diff --git a/src/drivers/i2c/tpm/tpm.h b/src/drivers/i2c/tpm/tpm.h index ddf12a9e98..048c848de2 100644 --- a/src/drivers/i2c/tpm/tpm.h +++ b/src/drivers/i2c/tpm/tpm.h @@ -36,6 +36,9 @@ enum tpm_timeout { /* Size of external transmit buffer (used for stack buffer in tpm_sendrecv) */ #define TPM_BUFSIZE 1260 +/* Number of bytes in the TPM header */ +#define TPM_HEADER_SIZE 10 + /* Index of fields in TPM command buffer */ #define TPM_CMD_SIZE_BYTE 2 #define TPM_CMD_ORDINAL_BYTE 6 @@ -44,6 +47,26 @@ enum tpm_timeout { #define TPM_RSP_SIZE_BYTE 2 #define TPM_RSP_RC_BYTE 6 +enum tis_access { + TPM_ACCESS_VALID = 0x80, + TPM_ACCESS_ACTIVE_LOCALITY = 0x20, + TPM_ACCESS_REQUEST_PENDING = 0x04, + TPM_ACCESS_REQUEST_USE = 0x02, +}; + +enum tis_status { + TPM_STS_VALID = 0x80, + TPM_STS_COMMAND_READY = 0x40, + TPM_STS_GO = 0x20, + TPM_STS_DATA_AVAIL = 0x10, + TPM_STS_DATA_EXPECT = 0x08, +}; + +#define TPM_ACCESS(l) (0x0000 | ((l) << 4)) +#define TPM_STS(l) (0x0001 | ((l) << 4)) +#define TPM_DATA_FIFO(l) (0x0005 | ((l) << 4)) +#define TPM_DID_VID(l) (0x0006 | ((l) << 4)) + struct tpm_chip; struct tpm_vendor_specific { -- cgit v1.2.3